Spool rack



FIG. 1 is a perspective view of our design for a spool rack;

FIG. 2 is a top plan view of the spool rack of FIG. 1;

FIG. 3 is a bottom plan view of the spool rack of FIG. 1;

FIG. 4 is a side elevation view of the spool rack of FIG. 1; and,

FIG. 5 is an end elevation view of the spool rack of FIG. 1. 

The ornamental design for our spool rack, as shown and described. 